Implemented a Color Picker to pick the color and to edit the colors visually. Double click on the color to open the picker. Also, as soon as you type rgb( or rgba( #, color Pickers appears. (Color picker is for rgb and hex only; for now) (Firefox 10+)

Implemented color previewer. Hover on any color to see it in a quick glance (Firefox 10+)

Implemented Image viewer. Double click on any image url, be it base64 code or a web address to instantaneously view it. (Firefox 10+)